"TOUGHIE interlocking blocks are the most reliable, durable and safe solution for modern day construction. At TOUGHIE, we spent several years in research and development to combine the latest smart technology with the proven age-old interlocking scientific knowledge deployed in ancient Indian temples and monuments to the great pyrami... ds. We are the pioneers in the field of interlocking technology with more than 33 years of experience and on a mission to simplify construction through innovative technologies today for a greener tomorrow."+ More